Foot rest cushion



FIG. 1 is a front right side perspective view for a foot rest cushion, showing my new design;

FIG. 2 is a front elevational view of FIG. 1 thereof;

FIG. 3 is a rear elevational view of FIG. 1 thereof;

FIG. 4 is a left side elevational view of FIG. 1 thereof;

FIG. 5 is a right side elevational view of FIG. 1 thereof; and,

FIG. 6 is a top plan view of FIG. 1 thereof, the bottom plan view being a mirror image. 

CLAIM The ornamental design for a foot rest cushion, as shown and described. 